1809459

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:352

約数の個数: 20

約数和(自身を含む): 2744280

約数和(自身を除く): 934821

約数列:

[1, 3, 9, 27, 81, 89, 251, 267, 753, 801, 2259, 2403, 6777, 7209, 20331, 22339, 67017, 201051, 603153, 1809459]

約数ペア:

[(1, 1809459), (3, 603153), (9, 201051), (27, 67017), (81, 22339), (89, 20331), (251, 7209), (267, 6777), (753, 2403), (801, 2259)]